40323014243 has 4 divisors (see below), whose sum is σ = 41713463040. Its totient is φ = 38932565448.

The previous prime is 40323014143. The next prime is 40323014257. The reversal of 40323014243 is 34241032304.

40323014243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40323014243 - 2¹⁶ = 40322948707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40323014143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695224355 + ... + 695224412.

It is an arithmetic number, because the mean of its divisors is an integer number (10428365760).

Almost surely, 2^40323014243 is an apocalyptic number.

40323014243 is a deficient number, since it is larger than the sum of its proper divisors (1390448797).

40323014243 is a wasteful number, since it uses less digits than its factorization.

40323014243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390448796.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 40323014243 its reverse (34241032304), we get a palindrome (74564046547).

The spelling of 40323014243 in words is "forty billion, three hundred twenty-three million, fourteen thousand, two hundred forty-three".